Dai-ichi High Frequency Co., Ltd.

Ebara Environmental Plant Co., Ltd.

Ebara Corporation

Eichi Tanaka

Shigenari Hayashi

Manabu Noguchi

Eiji Ishikawa

Takashi Kogin

Nobuhiro Takasaki

Kenichiro Okutsu

Masaya Kanazawa

Yasuki Miyakoshi

Hidenori Takahashi

Suzue Yoneda

Takayuki Saitou

Mohammad Emami

Provided are an alloy powder having excellent environmental resistance even in an environment where corrosion and wear are active simultaneously, and an alloy coating using the powder. A Ni&#x2014;Fe base alloy powder comprising Cr of 15% by mass or more and 35% by mass or less, Fe of 10% by mass or more and 50% by mass or less, Mo of 0% by mass or more and 5% by mass or less, Si of 0.3% by mass or more and 2% by mass or less, C of 0.3% by mass or more and 0.9% by mass or less, B of 4% by mass or more and 7% by mass or less, and a balance of Ni and incidental impurities.

Ni&#x2014;Fe base alloy powder, and method for producing alloy coating using said Ni&#x2014;Fe base alloy powder

There are provided a Ni-based thermal spraying alloy powder having excellent corrosion resistance and erosion-corrosion resistance even in an environment in which corrosion acts or corrosion and erosion act simultaneously, and a method for manufacturing an alloy coating. A Ni-based thermal spraying alloy powder comprising Cr: 15 wt % or more and 25 wt % or less, Mo: 0 wt % or more and 5 wt % or less, Si: 0.5 wt % or more and less than 2 wt %, Fe: 5 wt % or less, C: 0.3 wt % or more and 0.7 wt % or less, and B: 4 wt % or more and 7 wt % or less, with the balance being Ni and incidental impurities.

Ni-based thermal spraying alloy powder and method for manufacturing alloy coating

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Tokyo, Japan

Eichi Tanaka